Submit a TP-1.R Request Adjustment
If you need to file an adjusted return for the current year or a previous tax year, you must submit a TP-1.R Request for an Adjustment to an Income Tax Return.
To obtain this form from Revenu Québec click here.
Complete the form, then send it (together with your supporting documents such as receipts, information slips, schedules, etc.), to the Revenu Québec office in your area. Click here for a list of Revenu Québec offices.